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---
id:
aliases: []
tags:
- authorship/original
- destiny/permanent
- topic/construction/electrical
- status/incomplete
- type/encyclopedia
title: Emergency Communications Systems (ECS)
---
# Emergency Communications Systems (ECS)
## 2-Way vs. AoR
Area of Refuge is defined in [[nfpa-101_life-safety-code|NFPA 101: Life Safety Code]].
In NFPA 101 "two-way communication system" is used as generic term,
to be installed in accordance with the governing code [[nfpa-72_national-fire-alarm-code|NFPA 72: National Fire Alarm and Signaling Code]].
[[nfpa-72_national-fire-alarm-code#Chapter 24 Emergency Communications Systems (ECS)|Chapter 24 Emergency Communications Systems (ECS)]]
[[nfpa-72_national-fire-alarm-code#24.8 Two-Way, In-Building Wired Emergency Services Communications Systems.]]
[[nfpa-72_national-fire-alarm-code#24.10 Area of Refuge (Area of Rescue Assistance) Emergency Communications Systems, Stairway Communications Systems, Elevator Landing Communications Systems, and Occupant Evacuation Elevator Lobby Communications Systems.]]